<?php
namespace app\sysadmin\controller;
class Editor extends Common{
	private $ext_arr = array();
	private $_path = 'upload_file';
	public function __construct(){
		parent::__construct();
		$this->ext_arr = array(
			'image' => array('gif', 'jpg', 'jpeg', 'png', 'bmp'),
			'video'	=> array('mp4','mp3'),
			'file'	=> array('doc', 'docx', 'xls', 'xlsx', 'ppt', 'htm', 'html', 'txt', 'zip', 'rar', 'gz', 'bz2'),
		);
	}

	public function kind_upload_json(){

		$_path = $this->_path;
		$ext_arr = $this->ext_arr;

		$dir_name = empty($_GET['dir']) ? 'image' : trim($_GET['dir']);
		if(!in_array($dir_name,array('image','video','file'))){
			$_json['code'] = 1;
			$_json['message'] = '系统错误';
			echo json_encode($_json);
			exit;
		}
		$_path .= '/'.$dir_name;
		$_file_data = $this->request->file('imgFile');

		$info = $_file_data->validate(['ext'=>implode(",",$ext_arr[$dir_name])])->rule('date')->move($_path);

		if($info){
			$_json['error'] = 0;
			$_json['message'] = '上传成功';
			$_json['ext'] = $info->getExtension();
			$_json['url'] = str_replace('\\','/','/'.$_path.'/'.$info->getSaveName());
			$_json['new_name'] = $info->getFilename();
		}else{
			$_json['code'] = 1;
			$_json['message'] = $_file_data->getError();
		}
		echo json_encode($_json);exit;
	}
	public function kind_file_manager_json(){
		$root_path = $this->_path . "/";
		$root_url = '/'.$this->_path . "/";
		$ext_arr = $this->ext_arr['image'];
		$dir_name = empty($_GET['dir']) ? '' : trim($_GET['dir']);
		if(!in_array($dir_name,array('image','video','file',''))){
			echo 'Invalid Directory name.';
			exit;
		}

		if ($dir_name !== '') {
			$root_path .= $dir_name . "/";
			$root_url .= $dir_name . "/";
			if (!file_exists($root_path)) {
				mkdir($root_path);
			}
		}

		//根据path参数，设置各路径和URL
		if (empty($_GET['path'])) {
			$current_path = realpath($root_path) . '/';
			$current_url = $root_url;
			$current_dir_path = '';
			$moveup_dir_path = '';
		} else {
			$current_path = realpath($root_path) . '/' . $_GET['path'];
			$current_url = $root_url . $_GET['path'];
			$current_dir_path = $_GET['path'];
			$moveup_dir_path = preg_replace('/(.*?)[^\/]+\/$/', '$1', $current_dir_path);
		}

		//排序形式，name or size or type
		$order = empty($_GET['order']) ? 'name' : strtolower($_GET['order']);

		//不允许使用..移动到上一级目录
		if (preg_match('/\.\./', $current_path)) {
			echo 'Access is not allowed.';
			exit;
		}

		//最后一个字符不是/
		if (!preg_match('/\/$/', $current_path)) {
			echo 'Parameter is not valid.';
			exit;
		}

		//目录不存在或不是目录
		if (!file_exists($current_path) || !is_dir($current_path)) {
			echo 'Directory does not exist.';
			exit;
		}

		//遍历目录取得文件信息
		$file_list = array();
		if ($handle = opendir($current_path)) {
			$i = 0;
			while (false !== ($filename = readdir($handle))) {
				if ($filename{0} == '.') continue;
				$file = $current_path . $filename;
				if (is_dir($file)) {
					$file_list[$i]['is_dir'] = true; //是否文件夹
					$file_list[$i]['has_file'] = (count(scandir($file)) > 2); //文件夹是否包含文件
					$file_list[$i]['filesize'] = 0; //文件大小
					$file_list[$i]['is_photo'] = false; //是否图片
					$file_list[$i]['filetype'] = ''; //文件类别，用扩展名判断
				} else {
					$file_list[$i]['is_dir'] = false;
					$file_list[$i]['has_file'] = false;
					$file_list[$i]['filesize'] = filesize($file);
					$file_list[$i]['dir_path'] = '';
					$file_ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));
					$file_list[$i]['is_photo'] = in_array($file_ext, $ext_arr);
					$file_list[$i]['filetype'] = $file_ext;
				}
				$file_list[$i]['filename'] = $filename; //文件名，包含扩展名
				$file_list[$i]['datetime'] = date('Y-m-d H:i:s', filemtime($file)); //文件最后修改时间
				$i++;
			}
			closedir($handle);
		}

		// usort($file_list, 'cmp_func');

		$result = array();
		//相对于根目录的上一级目录
		$result['moveup_dir_path'] = $moveup_dir_path;
		//相对于根目录的当前目录
		$result['current_dir_path'] = $current_dir_path;
		//当前目录的URL
		$result['current_url'] = $current_url;
		//文件数
		$result['total_count'] = count($file_list);
		//文件列表数组
		$result['file_list'] = $file_list;

		echo json_encode($result);exit;

	}
}
?>